PROJ02004

• Contract/PO #: FS0074FX
• Contractor Name: Highland Ditch Company
• Contract Type: Grant
• Water District: 0
• Loan Projects - Doc Type: Feasibility Study

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Table 4. Water Use Calculations

The Highland Ditch Company, Inc.

BLUEGRASS

AREA, acres

4,375

PEAK SEASON DESIGN
IRRIGATION REQUIREMENT, inches/day

OPERATING LOSS, inches

0.23 (3)

(1)

0.06
0,29
105,73
34.452.400
28
3.0
25,0
9114.6
2,970,011,000

TOTAL DAILY APPLICATION REQUIREMENT, inches
TOTAL DAILY APPLICATION REQUIREMENT, acre*ft
TOTAL DAILY APPLICATION REQUIREMENT, gallons
SEASONAL IRRIGATION REQUIREMENTS, inches
SEASONAL EFFECTIVE PRECIPITATION, inches (4)
TOTAL SEASONAL IRRIGATION APPLICATION, inches
TOTAL SEASONAL IRRIGATION APPLICATION, acre*ft
TOTAL SEASONAL IRRIGATION APPLICATION, gallons

IRRIGATION FLOW REQUIREMENT WITH
AN IRRIGATION WINDOW OF 8 HOURS, (gpm)

IRRIGATION FLOW REQUIREMENT WITH
AN IRRIGATION WINDOW OF 10 HOURS, (gpm) (2)

(2)

89,720

71,776

IRRIGATION FLOW REQUIREMENT WITH
AN IRRIGATION WINDOW OF 12 HOURS, (gpm) (2)

59,813

IRRIGATION FLOW REQUIREMENT WITH
AN IRRIGATION WINDOW OF 14 HOURS, (gpm) (2)

51,268

NOTES:

1) PROPOSED IRRIGATION SYSTEM OPERATIONAL EFFICIENCY IS ASSUMED TO BE 80%,
2) PROPOSED IRRIGATION SYSTEM TAP UTILIZATION EFFICIENCY IS ASSUMED TO BE 80%.
TAP UTILIZATION EFFICIENCY IS DEFINED AS THE AVERAGE DESIGN FLOW/AVERAGE
AVAILABLE FLOW,
3) PEAK SEASON IRRIGATION REQUIREMENT OF 0.23 I NIDAY IS ASSUMED FOR BLUEGRASS
AND IS BASED ON NATIONAL WEATHER SERVICE DATA AND A CROP COEFFICIENT OF 0.80.
4) A SEASONAL PRECIPITATION OF 12-INCHES IS USED AND IS BASED ON NATIONAL WEATHER
SERVICE INFORMATION, PRECIPITATION IS ASSUMED TO BE 25% EFFECTIVE.

Aqua Engineering, Inc.
November 8, 2004

Canal Modernization Feasibility Study
-10-